Home / 51,129.90-76,583.88-24,779.25

Finding the Fourth Proportional to 51,129.90, 76,583.88 and 24,779.25

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Solution

The fourth proportional to 51,129.90, 76,583.88 and 24,779.25 is: 37,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.90 : 76,583.88 = 24,779.25 : x
  2. Step 2: Convert to fraction form
    51,129.90/76,583.88 = 24,779.25/x
  3. Step 3: Cross multiply
    51,129.90x = 76,583.88 × 24,779.25
  4. Step 4: Simplify right side
    51,129.90x = 1,897,691,108.49
  5. Step 5: Solve for x
    x = 1,897,691,108.49/51,129.90
  6. Step 6: Final answer
    x = 37,115.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.